<template>
    <div class="app-container">
        <!--工具栏-->
        <div class="head-container">
            <div v-if="crud.props.searchToggle">
                <!-- 搜索 -->
                <el-input
                    v-model="query.blurry"
                    size="small"
                    clearable
                    placeholder="输入名称或者描述搜索"
                    style="width: 200px;"
                    class="filter-item"
                    @keyup.enter.native="crud.toQuery"
                />
                <el-date-picker
                    v-model="query.createTime"
                    :default-time="['00:00:00', '23:59:59']"
                    type="daterange"
                    range-separator=":"
                    size="small"
                    class="date-item"
                    value-format="yyyy-MM-dd HH:mm:ss"
                    start-placeholder="开始日期"
                    end-placeholder="结束日期"
                />
                <rrOperation />
            </div>
            <crudOperation :permission="permission" />
        </div>
        <!-- 表单渲染 -->
        <el-dialog
            append-to-body
            :close-on-click-modal="false"
            :before-close="crud.cancelCU"
            :visible.sync="crud.status.cu > 0"
            :title="crud.status.title"
            width="520px"
        >
            <el-form ref="form" :inline="true" :model="form" :rules="rules" size="small" label-width="80px">
                <el-form-item label="角色名称" prop="name">
                    <el-input v-model="form.name" style="width: 380px;" />
                </el-form-item>
                <el-form-item label="角色级别" prop="level">
                    <el-input-number
                        v-model.number="form.level"
                        :min="1"
                        controls-position="right"
                        style="width: 145px;"
                    />
                </el-form-item>
                <el-form-item label="数据范围" prop="dataScope">
                    <el-select
                        v-model="form.dataScope"
                        style="width: 140px;"
                        placeholder="请选择数据范围"
                        @change="changeScope"
                    >
                        <el-option v-for="item in dateScopes" :key="item" :label="item" :value="item" />
                    </el-select>
                </el-form-item>
                <el-form-item v-if="form.dataScope === '自定义'" label="数据权限" prop="depts">
                    <treeselect
                        v-model="form.depts"
                        :load-options="loadDepts"
                        :options="depts"
                        multiple
                        style="width: 380px;"
                        placeholder="请选择"
                    />
                </el-form-item>
                <el-form-item label="描述信息" prop="description">
                    <el-input v-model="form.description" style="width: 380px;" rows="5" type="textarea" />
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="text" @click="crud.cancelCU">
                    取消
                </el-button>
                <el-button :loading="crud.status.cu === 2" type="primary" @click="crud.submitCU">
                    确认
                </el-button>
            </div>
        </el-dialog>
        <el-row :gutter="15">
            <!--角色管理-->
            <el-col :xs="24" :sm="24" :md="16" :lg="16" :xl="17" style="margin-bottom: 10px;">
                <el-card class="box-card" shadow="never">
                    <div slot="header" class="clearfix">
                        <span class="role-span">角色列表</span>
                    </div>
                    <el-table
                        ref="table"
                        v-loading="crud.loading"
                        highlight-current-row
                        style="width: 100%;"
                        :data="crud.data"
                        @selection-change="crud.selectionChangeHandler"
                        @current-change="handleCurrentChange"
                    >
                        <el-table-column :selectable="checkboxT" type="selection" width="55" />
                        <el-table-column prop="name" label="名称" />
                        <el-table-column prop="dataScope" label="数据权限" />
                        <el-table-column prop="level" label="角色级别" />
                        <el-table-column :show-overflow-tooltip="true" prop="description" label="描述" />
                        <el-table-column :show-overflow-tooltip="true" width="135px" prop="createTime" label="创建日期">
                            <template slot-scope="scope">
                                <span>{{ parseTime(scope.row.createTime) }}</span>
                            </template>
                        </el-table-column>
                        <el-table-column
                            v-permission="['admin', 'roles:edit', 'roles:del']"
                            label="操作"
                            width="130px"
                            align="center"
                            fixed="right"
                        >
                            <template slot-scope="scope">
                                <udOperation
                                    v-if="scope.row.level >= level"
                                    :data="scope.row"
                                    :permission="permission"
                                />
                            </template>
                        </el-table-column>
                    </el-table>
                    <!--分页组件-->
                    <pagination />
                </el-card>
            </el-col>
            <!-- 菜单授权 -->
            <el-col :xs="24" :sm="24" :md="8" :lg="8" :xl="7">
                <el-card class="box-card" shadow="never">
                    <div slot="header" class="clearfix">
                        <el-tooltip class="item" effect="dark" content="选择指定角色分配菜单" placement="top">
                            <span class="role-span">菜单分配</span>
                        </el-tooltip>
                        <el-button
                            v-permission="['admin', 'roles:edit']"
                            :disabled="!showButton"
                            :loading="menuLoading"
                            icon="el-icon-check"
                            size="mini"
                            style="float: right; padding: 6px 9px;"
                            type="primary"
                            @click="saveMenu"
                        >
                            保存
                        </el-button>
                    </div>
                    <el-tree
                        ref="menu"
                        lazy
                        :data="menus"
                        :default-checked-keys="menuIds"
                        :load="getMenuDatas"
                        :props="defaultProps"
                        check-strictly
                        accordion
                        show-checkbox
                        node-key="id"
                    />
                </el-card>
            </el-col>
        </el-row>
    </div>
</template>

<script>
import crudRoles from '@/api/system/role';
import { getDepts, getDeptSuperior } from '@/api/system/dept';
import { getMenusTree, getMenuSuperior } from '@/api/system/menu';
import CRUD, { presenter, header, form, crud } from '@crud/crud';
import rrOperation from '@crud/RR.operation';
import crudOperation from '@crud/CRUD.operation';
import udOperation from '@crud/UD.operation';
import pagination from '@crud/Pagination';
import Treeselect from '@riophae/vue-treeselect';
import '@riophae/vue-treeselect/dist/vue-treeselect.css';
import { LOAD_CHILDREN_OPTIONS } from '@riophae/vue-treeselect';

const defaultForm = { id: null, name: null, depts: [], description: null, dataScope: '全部', level: 3 };
export default {
    name: 'Role',
    components: { Treeselect, pagination, crudOperation, rrOperation, udOperation },
    cruds() {
        return CRUD({ title: '角色', url: 'api/roles', sort: 'level,asc', crudMethod: { ...crudRoles } });
    },
    mixins: [presenter(), header(), form(defaultForm), crud()],
    data() {
        return {
            defaultProps: { children: 'children', label: 'label', isLeaf: 'leaf' },
            dateScopes: ['全部', '本级', '自定义'],
            level: 3,
            currentId: 0,
            menuLoading: false,
            showButton: false,
            menus: [],
            menuIds: [],
            depts: [],
            permission: {
                add: ['admin', 'roles:add'],
                edit: ['admin', 'roles:edit'],
                del: ['admin', 'roles:del'],
            },
            rules: {
                name: [{ required: true, message: '请输入名称', trigger: 'blur' }],
                permission: [{ required: true, message: '请输入权限', trigger: 'blur' }],
            },
        };
    },
    created() {
        crudRoles.getLevel().then((data) => {
            this.level = data.level;
        });
    },
    methods: {
        getMenuDatas(node, resolve) {
            setTimeout(() => {
                getMenusTree(node.data.id ? node.data.id : 0).then((res) => {
                    resolve(res);
                });
            }, 100);
        },
        [CRUD.HOOK.afterRefresh]() {
            this.$refs.menu.setCheckedKeys([]);
        },
        // 编辑前
        [CRUD.HOOK.beforeToEdit](crud, form) {
            if (form.dataScope === '自定义') {
                if (form.id == null) {
                    this.getDepts();
                } else {
                    this.getSupDepts(form.depts);
                }
            }
            const depts = [];
            form.depts.forEach(function (dept, index) {
                depts.push(dept.id);
            });
            form.depts = depts;
        },
        // 提交前做的操作
        [CRUD.HOOK.afterValidateCU](crud) {
            if (crud.form.dataScope === '自定义' && crud.form.depts.length === 0) {
                this.$message({
                    message: '自定义数据权限不能为空',
                    type: 'warning',
                });
                return false;
            } else if (crud.form.dataScope === '自定义') {
                const depts = [];
                crud.form.depts.forEach(function (data, index) {
                    const dept = { id: data };
                    depts.push(dept);
                });
                crud.form.depts = depts;
            } else {
                crud.form.depts = [];
            }
            return true;
        },
        [CRUD.HOOK.afterAddError](crud) {
            this.afterErrorMethod(crud);
        },
        [CRUD.HOOK.afterEditError](crud) {
            this.afterErrorMethod(crud);
        },
        afterErrorMethod(crud) {
            const depts = [];
            crud.form.depts.forEach(function (dept, index) {
                depts.push(dept.id);
            });
            crud.form.depts = depts;
        },
        // 触发单选
        handleCurrentChange(val) {
            if (val) {
                const _this = this;
                // 清空菜单的选中
                this.$refs.menu.setCheckedKeys([]);
                // 保存当前的角色id
                this.currentId = val.id;
                this.showButton = this.level <= val.level;
                // 初始化
                this.menuIds = [];
                // 菜单数据需要特殊处理
                val.menus.forEach(function (data, index) {
                    _this.menuIds.push(data.id);
                });
                getMenuSuperior(this.menuIds).then((res) => {
                    this.menus = res;
                });
            }
        },
        // 保存菜单
        saveMenu() {
            this.menuLoading = true;
            const role = { id: this.currentId, menus: [] };
            // 得到半选的父节点数据，保存起来
            this.$refs.menu.getHalfCheckedNodes().forEach(function (data, index) {
                const menu = { id: data.id };
                role.menus.push(menu);
            });
            // 得到已选中的 key 值
            this.$refs.menu.getCheckedKeys().forEach(function (data, index) {
                const menu = { id: data };
                role.menus.push(menu);
            });
            crudRoles
                .editMenu(role)
                .then((res) => {
                    this.crud.notify('保存成功', CRUD.NOTIFICATION_TYPE.SUCCESS);
                    this.menuLoading = false;
                    this.update();
                })
                .catch((err) => {
                    this.menuLoading = false;
                    console.log(err.response.data.message);
                });
        },
        // 改变数据
        update() {
            // 无刷新更新 表格数据
            crudRoles.get(this.currentId).then((res) => {
                for (let i = 0; i < this.crud.data.length; i++) {
                    if (res.id === this.crud.data[i].id) {
                        this.crud.data[i] = res;
                        break;
                    }
                }
            });
        },
        // 获取部门数据
        getDepts() {
            getDepts({ enabled: true }).then((res) => {
                this.depts = res.content.map(function (obj) {
                    if (obj.hasChildren) {
                        obj.children = null;
                    }
                    return obj;
                });
            });
        },
        getSupDepts(depts) {
            const ids = [];
            depts.forEach((dept) => {
                ids.push(dept.id);
            });
            getDeptSuperior(ids).then((res) => {
                this.depts = res.content.map(function (obj) {
                    if (obj.hasChildren && !obj.children) {
                        obj.children = null;
                    }
                    return obj;
                });
            });
        },
        // 获取弹窗内部门数据
        loadDepts({ action, parentNode, callback }) {
            if (action === LOAD_CHILDREN_OPTIONS) {
                getDepts({ enabled: true, pid: parentNode.id }).then((res) => {
                    parentNode.children = res.content.map(function (obj) {
                        if (obj.hasChildren) {
                            obj.children = null;
                        }
                        return obj;
                    });
                    setTimeout(() => {
                        callback();
                    }, 200);
                });
            }
        },
        // 如果数据权限为自定义则获取部门数据
        changeScope() {
            if (this.form.dataScope === '自定义') {
                this.getDepts();
            }
        },
        checkboxT(row, rowIndex) {
            return row.level >= this.level;
        },
    },
};
</script>

<style rel="stylesheet/scss" lang="scss">
.role-span {
    font-weight: bold;
    color: #303133;
    font-size: 15px;
}
</style>

<style rel="stylesheet/scss" lang="scss" scoped>
/deep/ .el-input-number .el-input__inner {
    text-align: left;
}
/deep/ .vue-treeselect__multi-value {
    margin-bottom: 0;
}
/deep/ .vue-treeselect__multi-value-item {
    border: 0;
    padding: 0;
}
</style>
